package Demo5;

import java.util.Scanner;

public class Main6 {
    static  volatile int flag=0;
    public static void main(String[] args) {
        Thread t1=new Thread(()->{
            while(flag==0){

            }
            System.out.println("t1线程结束");
        });
        Thread t2=new Thread(()->{
            Scanner in=new Scanner(System.in);
            System.out.println("请修改falg的值：");
            flag=in.nextInt();
        });
        t1.start();
        t2.start();
    }
}
